Camellia flowered balsams are the full double forms.

Camellia Flowered Balsam

Camellia flowered balsams are the full double forms.

Larkspur is the common name of delphinium. Illustrated is a double form.

Double Larkspur

Larkspur is the common name of delphinium. Illustrated is a double form.

Pictured are the habit and detached flowering branchlet of matricaria inodora flore-pleno. The flowers of this double form are white.

Matricaria Inodora Flore-Pleno

Pictured are the habit and detached flowering branchlet of matricaria inodora flore-pleno. The flowers…

Paeonia tenuifolia flore-pleno is a variety of peony. Flore-pleno is the double state. The tenuifolia variety has dark crimson flowers that bloom in June.

Flowering Branch of Paeonia Tenuifolia Flore-Pleno

Paeonia tenuifolia flore-pleno is a variety of peony. Flore-pleno is the double state. The tenuifolia…